Service Technician

Johnson Controls; Chennai District; On-site; INR 223,000 - 357,000; Full time

Job summary

Johnson Controls in Chennai is seeking a Service Technician to install, maintain, troubleshoot, repair and commission HVAC systems and Building Management Systems (BMS). The role demands hands-on technical expertise to ensure energy efficiency, reliability, and safety of building infrastructure.

The successful candidate will perform preventive and corrective maintenance on chillers, AHUs, FCUs, VRF/VRV systems and other HVAC equipment, read electrical drawings, and coordinate with control

Qualifications

• Diploma or ITI in mechanical, electrical, HVAC, refrigeration, or related field.
• 2–5 years of HVAC maintenance and BMS experience.
• Ability to read electrical drawings, wiring diagrams, and schematics.
• Familiarity with BMS platforms such as Honeywell, Siemens, Schneider Electric or Johnson Controls.

Responsibilities

• Perform preventive and corrective maintenance of HVAC equipment including chillers, AHUs, FCUs, VRF/VRV, package units, and ducted systems.
• Diagnose and repair electrical, mechanical, and refrigeration faults.
• Conduct inspections, testing and performance evaluations of HVAC equipment.
• Maintain service records and maintenance reports.
• Monitor and troubleshoot BMS controls and automation systems; support commissioning and configuration changes.
• Respond to service calls and emergency breakdowns; communicate findings to customers.
• Ensure safety compliance and proper inventory of tools and spare parts.
• Prepare service reports and maintenance logs.

Skills

HVAC maintenance

BMS operations

Electrical drawings

Wiring diagrams

Technical schematics

Customer communication

Education

Diploma/ITI/technical certification

Tools

Honeywell

Siemens

Schneider Electric

Johnson Controls

Job description

Job Summary

The Service Technician is responsible for the installation, maintenance, troubleshooting, repair, and commissioning of HVAC systems and Building Management Systems (BMS). The role requires hands-on technical expertise to ensure optimal performance, energy efficiency, and reliability of building infrastructure systems while adhering to safety and quality standards.

Key Responsibilities

HVAC Systems

• Perform preventive and corrective maintenance of HVAC equipment, including:
  • Chillers
  • AHUs (Air Handling Units)
  • FCUs (Fan Coil Units)
  • VRF/VRV systems
  • Package units
  • Split and ducted air conditioning systems
• Diagnose and repair electrical, mechanical, and refrigeration faults.
• Conduct inspections, testing, and performance evaluations of HVAC equipment.
• Replace faulty components and ensure system reliability.
• Maintain service records and maintenance reports.

Building Management System (BMS)

• Monitor and troubleshoot BMS controls and automation systems.
• Support BMS commissioning, programming adjustments, and configuration changes.
• Ensure proper integration between HVAC systems and BMS platforms.
• Analyze alarms, trends, and system data to identify operational issues.
• Coordinate with control engineers for system upgrades and enhancements.

Customer Service & Compliance

• Respond to service calls and emergency breakdowns promptly.
• Communicate technical findings and recommendations to customers.
• Ensure compliance with workplace safety regulations and company policies.
• Maintain tools, equipment, and spare parts inventory.
• Prepare service reports, work completion reports, and maintenance logs.

Required Qualifications

• Diploma/ITI/Technical Certification in Mechanical, Electrical, HVAC, Refrigeration, Instrumentation, or related field.
• 2-5 years of experience in HVAC maintenance and BMS operations.
• Knowledge of HVAC equipment, controls, and automation systems.
• Ability to read electrical drawings, wiring diagrams, and technical schematics.
• Familiarity with BMS platforms such as Honeywell, Siemens, Schneider Electric, Johnson Controls, or equivalent.